DE69521940T2 - Encoder for measuring the relative movement between two objects - Google Patents

Encoder for measuring the relative movement between two objects

Info

Publication number
DE69521940T2
DE69521940T2 DE69521940T DE69521940T DE69521940T2 DE 69521940 T2 DE69521940 T2 DE 69521940T2 DE 69521940 T DE69521940 T DE 69521940T DE 69521940 T DE69521940 T DE 69521940T DE 69521940 T2 DE69521940 T2 DE 69521940T2
Authority
DE
Germany
Prior art keywords
encoder
objects
measuring
relative movement
movement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69521940T
Other languages
German (de)
Other versions
DE69521940D1 (en
Inventor
Miguel Saro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of DE69521940D1 publication Critical patent/DE69521940D1/en
Publication of DE69521940T2 publication Critical patent/DE69521940T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
    • H03M1/308—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental with additional pattern means for determining the absolute position, e.g. reference marks
DE69521940T 1994-06-01 1995-05-30 Encoder for measuring the relative movement between two objects Expired - Fee Related DE69521940T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9406691A FR2720881B1 (en) 1994-06-01 1994-06-01 Encoder to measure relative movements between two objects.

Publications (2)

Publication Number Publication Date
DE69521940D1 DE69521940D1 (en) 2001-09-06
DE69521940T2 true DE69521940T2 (en) 2002-04-04

Family

ID=9463762

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521940T Expired - Fee Related DE69521940T2 (en) 1994-06-01 1995-05-30 Encoder for measuring the relative movement between two objects

Country Status (4)

Country Link
US (1) US5719569A (en)
EP (1) EP0685944B1 (en)
DE (1) DE69521940T2 (en)
FR (1) FR2720881B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9710227B2 (en) 2012-09-15 2017-07-18 John W. Ogilvie Formatting floating point numbers
CN105320131A (en) * 2015-07-31 2016-02-10 北京家度科技有限公司 Robot multi-track linear continuous tracking moving service system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148914A (en) * 1982-03-02 1983-09-05 Fanuc Ltd Pulse coder
US4584472A (en) * 1984-02-21 1986-04-22 Caterpillar Industrial Inc. Linear position encoder
DE3914739A1 (en) * 1989-05-05 1990-11-08 Heidenhain Gmbh Dr Johannes INCREMENTAL POSITION MEASURING DEVICE WITH REFERENCE BRANDS
KR910006691A (en) * 1989-09-12 1991-04-29 후까미 아끼라 Optical rotary encoder
US5206645A (en) * 1991-10-28 1993-04-27 Xerox Corporation Single channel encoder

Also Published As

Publication number Publication date
FR2720881A1 (en) 1995-12-08
US5719569A (en) 1998-02-17
FR2720881B1 (en) 1996-07-05
EP0685944B1 (en) 2001-08-01
EP0685944A1 (en) 1995-12-06
DE69521940D1 (en) 2001-09-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee